Features:

• High flow rates
  
• Superior dirt holding capacity
  
• Fewer change-outs for a longer service life
  
• Larger 4.5" diameter than standard 2.5" cartridges
  
• High-quality cartridge filter with high particulate retention capabilities over an extended life, all at an economical price.
  
• Thermally bonded - Manufactured through an exclusive process that thermally bonds 100% pure polypropylene microfibers with lower density at the outside surface and progressively higher density toward the center.
  
• Ideal replacement cartridge for many of the "in-line" (Big Blue®) filter housings on the market